PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-01:27:50
G01     252.6          36.0               10.3 +/-    1.29      16.1 +/-    1.29  0.050 / 0.080
G03     316.1          40.8                9.4 +/-    0.68      13.5 +/-    0.68  0.050 / 0.110
G11     237.4          13.6               14.8 +/-    3.56      38.2 +/-    3.56  0.040 / 0.040
G14     59.8           40.7                5.7 +/-    0.64       8.1 +/-    0.64  0.030 / 0.040
G16     167.4          14.3               -4.8 +/-   21.27     -12.1 +/-   21.27  0.160 / 0.500
G22     307.0          63.8                7.2 +/-    1.38       8.0 +/-    1.38  0.170 / 0.480
G23     285.0          17.2               12.3 +/-    1.77      29.0 +/-    1.77  0.030 / 0.030
G26     142.8          35.0               11.6 +/-    1.25      18.3 +/-    1.25  0.030 / 0.030
G31     40.2           64.9                5.8 +/-    0.43       6.4 +/-    0.43  0.060 / 0.100
G32     75.0           26.0                6.4 +/-    1.08      12.3 +/-    1.08  0.050 / 0.110